A New SOX Simulation Model of Coal Combustion

2014 ◽  
Vol 543-547 ◽  
pp. 854-857
Author(s):  
Jiang Ming Ye
Keyword(s):  
Coal Combustion ◽  
Reaction Model ◽  
Site Testing ◽  
Boiler Furnace ◽  
Power Plant Boiler ◽  
Combustion Simulation ◽  
Calculation Results ◽  
Boiler Design ◽  
First Time ◽  
Plant Boiler

It is very important to study the emission of pollutant from a coal combustion device, and it is a best way to adopt numerical simulation for such a study. By using a mathematical model with a post-processing method and based on combustion simulation, this paper calculates the SOx distribution in a power plant boiler furnace. For the formation of SOx, a conventional chemical reaction model is adopted, and according to the principles of reaction dynamics, a model for the SOx formation is also put forward. It is the first time for preceding the calculation and on-site testing an 800MW-unit boiler in China. The test and calculation results show that the model is reasonable, and such a study will be valuable as a reference to the boiler design and its clean operation.

scholarly journals Coal combustion modelling in a frontal pulverized coal-fired boiler

2018 ◽  
Vol 46 ◽  
pp. 00010
Author(s):  
Paweł Madejski
Keyword(s):  
Coal Combustion ◽  
Gas Flow ◽  
Combustion Process ◽  
Three Dimensional ◽  
Pulverized Coal ◽  
Operational Conditions ◽  
Power Plant Boiler ◽  
Combustion Modelling ◽  
Flow Through ◽  
Plant Boiler

The paper presents results of numerical modelling of pulverized coal combustion process in the coal-fired boiler. In the numerical model, coal combustion process includes particle heating, devolatilization, char combustion, as well as turbulent flow and radiative heat transfer was modelled. Presented modelling results were carried out using the Open Source CFD code - Code_Saturne created and developed by EDF R&D and were used to study the combustion of coal in power plant boiler with the objective of simulating the operational conditions and identifying factors of inefficiency. The behaviour of the flow of air and pulverized coal through the burners was modelled, and the three-dimensional flue gas flow through the combustion chamber and heat exchangers was reproduced in the simulation.

scholarly journals Data Analytics Based Dual-Optimized Adaptive Model Predictive Control for the Power Plant Boiler

2017 ◽  
Vol 2017 ◽  
pp. 1-9 ◽  
Author(s):  
Zhenhao Tang ◽  
Haiyang Zhang ◽  
Ping Che ◽  
Shengxian Cao ◽  
Zhiyong Zhao
Keyword(s):  
Power Plant ◽  
Predictive Control ◽  
Data Analytics ◽  
Optimization Problem ◽  
Adaptive Model ◽  
Furnace Temperature ◽  
Boiler Furnace ◽  
Power Plant Boiler ◽  
Adaptive Model Predictive Control ◽  
Plant Boiler

To control the furnace temperature of a power plant boiler precisely, a dual-optimized adaptive model predictive control (DoAMPC) method is designed based on the data analytics. In the proposed DoAMPC, an accurate predictive model is constructed adaptively by the hybrid algorithm of the least squares support vector machine and differential evolution method. Then, an optimization problem is constructed based on the predictive model and many constraint conditions. To control the boiler furnace temperature, the differential evolution method is utilized to decide the control variables by solving the optimization problem. The proposed method can adapt to the time-varying situation by updating the sample data. The experimental results based on practical data illustrate that the DoAMPC can control the boiler furnace temperature with errors of less than 1.5% which can meet the requirements of the real production process.

V&M T23

Alloy Digest ◽  
2001 ◽  
Vol 50 (1) ◽  
Keyword(s):  
Fracture Toughness ◽  
Power Plant ◽  
Physical Properties ◽  
Tensile Properties ◽  
Heat Treating ◽  
Operating Parameters ◽  
Power Plant Boiler ◽  
Plant Boiler

Abstract Vallourec and Mannesmann (V and M) Tubes T23 is a power plant boiler tubing alloy developed to resist increasing operating parameters of pressure and temperature. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and creep. It also includes information on forming, heat treating, and joining. Filing Code: SA-507. Producer or source: Vallourec & Mannesmann.

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